* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

header h1 {
    color: #4a90e2;
    font-size: 28px;
}

.subtitle {
    color: #666;
    margin-top: 10px;
}

.back-link {
    display: inline-block;
    color: #4a90e2;
    text-decoration: none;
    margin-bottom: 15px;
    font-size: 14px;
}

.back-link:hover {
    text-decoration: underline;
}

/* 首页导航网格 */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.nav-card {
    background-color: white;
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    text-decoration: none;
    color: #333;
    transition: transform 0.3s, box-shadow 0.3s;
}

.nav-card:hover:not(.disabled) {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.nav-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.nav-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.nav-card h3 {
    color: #4a90e2;
    margin-bottom: 10px;
    font-size: 18px;
}

.nav-card p {
    color: #666;
    font-size: 14px;
}

/* 查询页面样式 */
.query-section {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.input-group label {
    font-weight: bold;
    white-space: nowrap;
}

.input-group input {
    flex: 1;
    min-width: 200px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.input-group button {
    padding: 10px 20px;
    background-color: #4a90e2;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.input-group button:hover {
    background-color: #357abd;
}

.loading {
    text-align: center;
    padding: 20px;
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    border-top-color: #4a90e2;
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.result-section {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.result-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    align-items: start;
}

.avatar-container {
    text-align: center;
}

.avatar {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 2px solid #e0e0e0;
}

.background-image {
    width: 100%;
    max-height: 100px;
    object-fit: cover;
    border-radius: 4px;
    margin-top: 10px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.info-item {
    background-color: #f9f9f9;
    padding: 12px;
    border-radius: 4px;
}

.info-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 4px;
}

.info-value {
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.text-area {
    grid-column: 1 / -1;
    margin-top: 10px;
}

.text-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 4px;
}

.text-content {
    background-color: #f9f9f9;
    padding: 12px;
    border-radius: 4px;
    white-space: pre-wrap;
    word-break: break-word;
}

.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 15px;
    border-radius: 4px;
    margin-top: 10px;
}

footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px 0;
    color: #666;
    font-size: 14px;
}

/* 电脑端和平板横向布局 */
@media (min-width: 768px) {
    .container {
        max-width: 1200px;
    }
    
    main {
        display: flex;
        gap: 20px;
        align-items: flex-start;
    }
    
    .query-section {
        flex: 0 0 300px;
        margin-bottom: 0;
    }
    
    .result-section {
        flex: 1;
    }
    
    .result-content {
        grid-template-columns: 1fr 3fr;
    }
    
    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

/* 手机端布局 */
@media (max-width: 767px) {
    .nav-grid {
        grid-template-columns: 1fr;
    }
    
    .result-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}